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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "asn1parser.h"
asn1p_oid_t *
asn1p_oid_construct(asn1p_oid_arc_t *arc, int narcs) {
asn1p_oid_t *oid;
if(narcs <= 0)
return NULL;
oid = asn1p_oid_new();
if(oid) {
for(; narcs--; arc++) {
if(asn1p_oid_add_arc(oid, arc)) {
asn1p_oid_free(oid);
return NULL;
}
}
}
return oid;
}
asn1p_oid_t *
asn1p_oid_new() {
return calloc(1, sizeof(asn1p_oid_t));
}
int
asn1p_oid_add_arc(asn1p_oid_t *oid, asn1p_oid_arc_t *template) {
void *p;
p = realloc(oid->arcs, (oid->arcs_count + 1) * sizeof(oid->arcs[0]));
if(p) {
oid->arcs = p;
oid->arcs[oid->arcs_count].name
= template->name?strdup(template->name):0;
oid->arcs[oid->arcs_count].number = template->number;
oid->arcs_count++;
return 0;
} else {
return -1;
}
}
void
asn1p_oid_free(asn1p_oid_t *oid) {
if(oid) {
if(oid->arcs) {
while(oid->arcs_count--) {
free(oid->arcs[oid->arcs_count].name);
}
}
free(oid);
}
}
asn1p_oid_arc_t *
asn1p_oid_arc_new(const char *optName, asn1c_integer_t optNumber /* = -1 */) {
asn1p_oid_arc_t *arc;
arc = calloc(1, sizeof *arc);
if(arc) {
if(optName)
arc->name = strdup(optName);
arc->number = optNumber;
}
return arc;
}
void
asn1p_oid_arc_free(asn1p_oid_arc_t *arc) {
if(arc) {
free(arc->name);
free(arc);
}
}
int
asn1p_oid_compare(asn1p_oid_t *a, asn1p_oid_t *b) {
int i;
for(i = 0; ; i++) {
asn1c_integer_t cmp;
if(b->arcs_count > i) {
if(a->arcs_count <= i)
return -1;
} else if(a->arcs_count > i) {
if(b->arcs_count <= i)
return 1;
} else if(b->arcs_count <= i && a->arcs_count <= i) {
cmp = b->arcs_count - a->arcs_count;
if(cmp < 0)
return -1;
else if(cmp > 0)
return 1;
return 0;
}
cmp = b->arcs[i].number - a->arcs[i].number;
if(cmp < 0)
return -1;
else if(cmp > 0)
return 1;
}
}
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